<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'c.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    <h1>EL内置对象</h1>
    <%-- 访问：http://localhost:8080/java-web-demo/el/c.jsp?name=n1&hobby=h1&hobby=h2 --%>
    ${param.name }<br/>
    ${param["name"] }<br/>
    ${paramValues.hobby[0] }<br/>
    ${paramValues.hobby[1] }<br/>
    ${header["User-Agent"] }<br/>
    ${headerValues["Host"][0] }<br/>
    <%-- web.xml内置初始化参数 --%>
    ${initParam.bbb }<br/>
    <%-- Map<String,Cookie> --%>
	${cookie.JSESSIONID.value }<br/>
	${pageContext.session.id }<br/>
	${pageContext.request.contextPath }<br/>
	<%-- 应用：项目名 --%>
	<a href="${pageContext.request.contextPath }/el/a.jsp">点击这里</a>
	<form action="${pageContext.request.contextPath }/el/b.jsp">
		<input type="submit" value="提交"/>
	</form>
  </body>
</html>
